Chlorpromazine Base from United States
Chlorpromazine base is a foundational phenothiazine antipsychotic medication used to treat schizophrenia and severe nausea. Its molecular structure contains a phenothiazine ring-system that is not further fused, which is the defining characteristic of tariff item 2934.30.00. As a separate chemically defined organic compound, it qualifies for classification under this heading.
Duty Rate — United States → Canada
Import Tips
• Ensure the product is a separate chemically defined organic compound and not put up in measured doses or for retail sale, as that would shift classification to heading 30.04
• Provide a Certificate of Analysis and the CAS number to the CBSA to support classification
• Verify whether a controlled substance permit is required under the Controlled Drugs and Substances Act before importing